Xiaomi Redmi 4X vs LG Optimus LTE SU640 Comparison and Differences
Smartphone 1
Xiaomi Redmi 4X
Smartphone 2
LG Optimus LTE SU640
Smartphone 3
Xiaomi Redmi 4X or LG Optimus LTE SU640 Specs Comparison
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Common specs
| Brand and model | Xiaomi Redmi 4X | LG Optimus LTE SU640 | |
| Rating | (+) | (+) | |
| Release date | 2017, May | 2011, October | |
| Dimensions (HxWxD) | 139.2 x 70 x 8.7 mm | 5.48 x 5.48 x 2.76 in | 132.9 x 67.9 x 10.4 mm | 5.23 x 5.23 x 2.67 in | |
| Weight | 150 g | 5.29 oz | 135 g | 4.76 oz | |
| Body Build | Front glass, aluminum body | ||
| Case | buy from Amazon | buy from Amazon | |
| Colors | Black, Gold | Black, White | |
| Battery | 4100 mAh, Non-removable Li-Po | 1830 mAh, Removable Li-Ion | |
| Battery life |
Stand by time - Up to 432 h (3G) Talking time - Up to 36 h (3G) Music play - Up to 87 h |
Stand by time - Up to 400 h Talking time - Up to 7 h |
|
| Approximate price | 110 EUR | 120 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | IPS LCD | HD-IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 5" in | 4.5" in | |
| Screen area | 68.9 cm2 | 55.8 cm2 | |
| Screen format | 16:9 (height:width) | 16:9 (height:width) | |
| Screen to body ratio | 70.7% | 61.9% | |
| Screen resolution | 720 x 1280 px | 720 x 1280 px | |
| Screen PPI /points per inch/ | 294 PPI | 326 PPI | |
| Screen protection | Corning Gorilla Glass (unspecified version) | ||
| Other specs | - True HD Graphic Engine | ||
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 13 MP, Single | 8 MP, Single | |
| Camera specs | -13 MP, PDAF, f/2.0 | -8 MP, AF | |
| Functions | LED flash, HDR, panorama | LED flash | |
| Video | 1080p@30fps | 1080p@30fps | |
| Front camera, selfie | 5 MP, Single | 1.3 MP, Single | |
| Specifications | 5 MP, f/2.2 | 1.3 MP | |
| Video | 1080p@30fps |
Performance
| Operating system - OS | Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat); MIUI 10 | Android 2.3.5 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich) | |
| Chipset | - Qualcomm MSM8940 Snapdragon 435 (28 nm) | - Qualcomm MSM8660 Snapdragon S3 | |
| CPU | - Octa-core 1.4 GHz Cortex-A53 | - Dual-core 1.5 GHz Scorpion | |
| GPU | Adreno 505 | Adreno 220 | |
| External memory | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 32 GB (dedicated slot), 16 GB included | |
| Internal memory | 64 GB, 4 GB RAM 32 GB, 3 GB RAM 16 GB, 2 GB RAM | 4 GB, 1 GB RAM |
Benchmark
| Antutu 8 Total | 71204 | ||
| Antutu 7 Total | |||
| GeekBench 5 Single Core | 124 | ||
| GeekBench 5 Multi-Core | 574 | ||
| GeekBench 4 Single Core | 649 | ||
| GeekBench 4 Multi-Core | 2059 | ||
| GeekBench 4 RenderScript | 2170 |
Communication and Connectivity
| SIM card | Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) | Mini-SIM | |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) |
-2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE 800 |
|
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/100 Mbps | HSPA, LTE | |
| GPRS | Yes | No | |
| Edge | Yes | No | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS | |
| NFC | |||
| USB | microUSB 2.0 | microUSB 2.0 (MHL TV-out) | |
| Bluetooth | 4.2, A2DP, LE | 3.0, A2DP |
Music and Audio
| Radio | FM radio | No | |
| Headphone jack | Yes | Yes | |
| Others | - Active noise cancellation with dedicated mic | - Dolby mobile -Active noise cancellation with dedicated mic |
Other features
| Sensors | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass , Infrared port | - Accelerometer, gyro, proximity, compass | |
| Other extras |
- T-DMB TV tuner -MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -True HD movie editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input |
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| Versions |
- Also known as Xiaomi Redmi 4X for China, Malaysia, Pakistan, Indonesia |
- For South Korea |
Reviews and Opinions on Xiaomi Redmi 4X and LG Optimus LTE SU640
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